Some of these are totally rad, and some are stone-cold classics. That Scorpions “bubblegum breast” cover often makes best-ever lists, so rankings like this get a little weird.

Often a ‘bad’ album cover makes complete sense once you know its backstory. That Orion cover often makes “worst-ever” lists, but it’s a perfect cover for him, since he was marketed as the literal back-from-the-dead Elvis, performing in a rhinestone mask.

Battleaxe are, as I recall local boys from Sunderland. They had a shonky double-decker in murdered out black with the band logo on it and everything. Like a sub-par Saxon, if you can imagine.
ETA: Fuck me sideways, they’re still going: